fileout.cpp

qrdrls算法

#include "fileout.h"

int writefile(CString pFileName, complex2 *filetemp,int N)
{
	//FILE* fd=fopen("input.txt","r");
	CStdioFile f1;
	CString   str; 
	int i=0;
    if( !f1.Open( pFileName, CFile::modeCreate|CFile::modeNoTruncate|CFile::modeWrite ) )
	{
		cout << "Unable to open file" << "\n";
		return 0;
	}
	f1.SeekToEnd();//先定位到文件尾部
	while(i<N)   
	{
		str.Format("%.16f",filetemp[i].get_real());
		f1.WriteString(str);
		//if(filetemp[i].get_image()>=0)
			f1.WriteString("   ");
		str.Format("%.16f",filetemp[i].get_image());
		f1.WriteString(str);
		f1.WriteString("\n");
		i++;
	//	if(i>4999) //读10000次就不读了.
       // break;        
	}
//	f1.WriteString("\n");
	return 1;
}